Заполнение данных в IE (Value)

$aButtons = $oIE.document.getElementsByClassName("mx-button mx-button-primary")
For $oButton In $aButtons
   $pValue = $oButton.attributes.getNamedItem("value")
   If IsObj($pValue) Then
      If StringInStr($pValue.nodeValue, "Weiter zum n") Then
         $oButton.focus()
         Sleep(25)
         $oButton.click()
         ExitLoop
      EndIf
   EndIf
Next

#include <UIAutomate.au3>

$oIE = _UIA_GetElementFromHandle(ControlGetHandle("[class:IEFrame]", "", "Internet Explorer_Server1"))

$oButton = _UIA_GetControlTypeElement($oIE, "UIA_ButtonControlTypeId", "Weiter zum n", "Name", True)

; вариант 1
_UIA_ElementDoDefaultAction($oButton)

; вариант 2
; _UIA_ElementMouseClick($oButton)